Designation:C1682−17StandardGuideforCharacterizationofSpentNuclearFuelinSupportofInterimStorage,TransportationandGeologicRepositoryDisposal1ThisstandardisissuedunderthefixeddesignationC1682;thenumberimmediatelyfollowingthedesignationindicatestheyearoforiginaladoptionor,inthecaseofrevision,theyearoflastrevision.Anumberinparenthesesindicatestheyearoflastreapproval.Asuperscriptepsilon(´)indicatesaneditorialchangesincethelastrevisionorreapproval.1.Scope1.1Thisguideprovidesguidanceforthetypesandextentoftestingthatwouldbeinvolvedincharacterizingthephysicalandchemicalnatureofspentnuclearfuel(SNF)insupportofitsinterimstorage,transport,anddisposalinageologicrepository.Thisguideappliesprimarilytocommerciallightwaterreactor(LWR)spentfuelandspentfuelfromweaponsproduction,althoughtheindividualtests/analysesmaybeusedasapplicabletootherspentfuelssuchasthosefromresearchandtestreactorsandmixedoxide(MOX)spentfuel.Thetestingisdesignedtoprovideinformationthatsupportsthedesign,safetyanalysis,andperformanceassessmentofageologicrepositoryfortheultimatedisposaloftheSNF.1.2Thetestingdescribedincludescharacterizationofsuchphysicalattributesasphysicalappearance,weight,density,shape/geometry,degree,andtypeofSNFcladdingdamage.Thetestingdescribedalsoincludesthemeasurement/examinationofsuchchemicalattributesasradionuclidecontent,microstructure,andcorrosionproductcontent,andsuchenvironmentalresponsecharacteristicsasdryingrates,oxidationrates(indryair,watervapor,andliquidwater),ignitiontemperature,anddissolution/degradationrates.NotallofthecharacterizationtestsdescribedhereinmustnecessarilybeperformedforanygivenanalysisofSNFperformanceforinterimstorage,transportation,orgeologicalrepositorydisposal,particularlyinareaswhereanextensivebodyofliteraturealreadyexistsfortheparameterofinterestinthespecificservicecondition.1.3ItisassumedinformulatingtheSNFcharacterizationactivitiesinthisguidethattheSNFhasbeenstoredinaninterimstoragefacilityatsometimebetweenreactordischargeanddrytransporttoarepository.T...
